Year % (cumulative) 1971 2.09802007675171 1981 4.81923007965088 2001 22.8982391357422 2008 29.5709285736084 2011 26.5999507904053 2016 27.7911605834961 2017 35.9630546569824 2019 32.5764007568359 2021 33.893009185791